Texas Instruments TI-84 PLUS SILV Guidebook - Page 407

Appendix C: Service and Warranty Information Texas Instruments Support and Service For general information Home Page: KnowledgeBase and e-mail inquiries: Phone: International information: education.ti.com education.ti.com/support (800) TI-CARES / (800) 842-2737 For U.S., Canada, Mexico, Puerto Rico, and Virgin Islands only education.ti.com/international For product (hardware) service Customers in the U.S., Canada, Mexico, Puerto Rico and Virgin Islands: Always contact Texas Instruments Customer Support before returning a product for service. All other customers: Refer to the leaflet enclosed with this product (hardware) or contact your local Texas Instruments retailer/distributor. Battery Information When to Replace the Batteries The TI-84 Plus uses five batteries: four AAA alkaline batteries and one button cell backup battery. The backup battery provides auxiliary power to retain memory while you replace the AAA batteries. When the battery voltage level drops below a usable level, the TI-84 Plus: Displays this message when Displays this message when you attempt you turn on the unit. to download an application. Message A Message B Appendix C: Service and Warranty Information 400